A company wants to quickly connect its on-premises environment to AWS using an existing internet connection with encrypted communication. Which service is MOST suitable for this requirement?

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Select an answer
CorrectB

Explanation

A question about selecting the appropriate service for an encrypted connection over the internet.

  • 1existing internet connectionOver the internet, not a dedicated circuit — points to VPN
  • 2encrypted communicationEncrypted connection using IPsec
  • 3quickly connectNo dedicated circuit provisioning needed — can be set up in a short time
AIncorrect

AWS Direct Connect

This is incorrect. AWS Direct Connect is a service that establishes connectivity through a dedicated physical circuit, which requires significant time and cost to provision.

This does not meet the requirement to quickly set up an encrypted connection using an existing internet connection.

BCorrect

AWS Site-to-Site VPN

This is correct. AWS Site-to-Site VPN uses an existing internet connection to establish an encrypted connection (IPsec VPN) between on-premises and AWS. It does not require dedicated circuit provisioning, and can be set up quickly at low cost. Connection quality depends on the internet.

CIncorrect

Amazon CloudFront

This is incorrect. CloudFront is a CDN (Content Delivery Network — a system that caches content at edge locations around the world and delivers it at high speed from locations close to the user) service for content delivery.

It is not a service for establishing an encrypted connection between on-premises and AWS.

DIncorrect

Amazon S3

This is incorrect. Amazon S3 is an object storage service.

It is not a network service for establishing an encrypted connection between on-premises and AWS.

Key Takeaway

'Internet-based,' 'encrypted,' and 'quick setup' all point to Site-to-Site VPN. For stable, low-latency connectivity over a dedicated circuit, use Direct Connect. The key differentiator is the type of circuit (internet vs. dedicated).